<template>
  <div class="shop-info">
    <div class="info-content" ref="content">
      <section class="section">
        <h3 class="section-title">配送信息</h3>
        <div class="delivery">
          <div>
            <span class="delivery-icon">{{info.description}}</span>
            <span>由商家配送提供配送，约 {{info.deliveryTime}} 分钟送达，距离 {{info.distance}}m</span>
          </div>
          <div class="delivery-money">配送费￥{{info.deliveryPrice}}</div>
        </div>
      </section>
      <div class="split"></div>
      <section class="section">
        <h3 class="section-title">活动与服务</h3>
        <div class="activity">
          <div class="activity-item " :class="supportClasses[support.type]"
               v-for="(support,index) in info.supports" :key="index">
            <span class="content-tag">
            <span class="mini-tag">{{support.name}}</span>
            </span>
            <span class="activity-content">{{support.content}}</span>
          </div>
        </div>
      </section>
      <div class="split"></div>
      <section class="section">
        <h3 class="section-title">商家实景</h3>
        <div class="pic-wrapper">
          <ul class="pic-list" ref="picUL">
            <li class="pic-item" v-for="(pic,index) in info.pics" :key="index">
              <img width="120" height="90"
                   v-lazy="pic"/>
            </li>
          </ul>
        </div>
      </section>
      <div class="split"></div>
      <section class="section">
        <h3 class="section-title">商家信息</h3>
        <ul class="detail">
          <li><span class="bold">品类</span> <span>{{info.category}}</span></li>
          <li><span class="bold">商家电话</span> <span>{{info.phone}}</span></li>
          <li><span class="bold">地址</span> <span>{{info.address}}</span></li>
          <li><span class="bold">营业时间</span> <span>{{info.workTime}}</span></li>
        </ul>
      </section>
    </div>
  </div>
</template>

<script>
  import BScroll from 'better-scroll'
  import {mapState} from 'vuex'

  export default  {
    data () {
      return {
        supportClasses: ['activity-green', 'activity-red', 'activity-orange'],
      }
    },
    computed: {
      ...mapState(['info'])
    },
    mounted () {
      //如果数据没有直接结束
      if (!this.info.pics){
        return
      }
      //数据有了，可以创建BScroll对象形成滑动
       this._initScroll()
    },
    methods:{
      _initScroll(){
         new BScroll('.shop-info')
      //动态计算ul的宽度并赋值
      const ul = this.$refs.picUL
      const liWidth = 120
      const space = 6

      const count = this.info.pics.length
      ul.style.width = (liWidth + space) * count - space + 'px'
      new BScroll('.pic-wrapper', {
        // movingDirectionX:-1,
        scrollX: true//水平滑动，默认垂直滑动
      })
      }
    },
    watch:{
      info(){//刷新流程---》更新数据
        this.$nextTick(()=>{
          this._initScroll()
        })
      }
    }

  }
</script>
<style lang="stylus" rel="stylesheet/stylus">
  @import "../../../common/stylus/mixins.styl"

  .shop-info
    position: absolute
    top: 195px
    bottom: 0
    left: 0
    width: 100%
    background: #fff;
    overflow: hidden

    .section
      padding 16px 14px 14px
      font-size 16px
      background-color #fff
      color #666
      border-bottom 1px solid #eee
      position relative

      .section-title
        color #000
        font-weight 700
        line-height 16px

        > .iconfont
          float right
          color #ccc

      .delivery
        margin-top 16px
        font-size 13px
        line-height 18px

        .delivery-icon
          width 55px
          font-size 11px
          margin-right 10px
          display inline-block
          text-align center
          color #fff
          background-color #0097ff
          padding 1px 0
          border-radius 4px

        .delivery-money
          margin-top 5px

      .activity
        margin-top 16px

        .activity-item
          margin-bottom 12px
          display flex
          font-size 13px
          align-items center

          &.activity-green
            .content-tag
              background-color rgb(112, 188, 70)

          &.activity-red
            .content-tag
              background-color rgb(240, 115, 115)

          &.activity-orange
            .content-tag
              background-color: rgb(241, 136, 79)

          .content-tag
            display inline-block
            border-radius 2px
            width 36px
            height: 18px
            margin-right 10px
            color #fff
            font-style normal
            position relative

            .mini-tag
              position absolute
              left 0
              top 0
              right -100%
              bottom -100%
              font-size 24px
              transform scale(.5)
              transform-origin 0 0
              display flex
              align-items center
              justify-content center

      .pic-wrapper
        width: 100%
        overflow: hidden
        white-space: nowrap
        margin-top 16px

        .pic-list
          font-size: 0

          .pic-item
            display: inline-block
            margin-right: 6px
            width: 120px
            height: 90px

            &:last-child
              margin: 0

      .detail
        margin-bottom -16px

        > li
          display flex
          justify-content space-between
          align-items center
          margin-right -10px
          padding 16px 12px 16px 0
          line-height 16px
          bottom-border-1px(#ddd)
          font-size 13px

          > .bold
            font-weight 700
            color #333

          &:last-child
            border-none()


    .split
      width: 100%
      height: 16px
      border-top: 1px solid rgba(7, 17, 27, 0.1)
      border-bottom: 1px solid rgba(7, 17, 27, 0.1)
      background: #f3f5f7
</style>
